Specifications and Proposal Aids High-Resolution Echellette Mode High-Throughput Prism Mode Acquisition/Guiding System Spectral resolution: R = 6000 or 50 km/s (0.6" slit) Spatial resolution: 0.18" per pixel (spectral) Continuous bandpass (single exposure): 0.82-2.51 microns Slit length: 7 arcseconds Slit width: Nominal 0.6", selectable 0.45-1.0" Echelle orders: orders 11-32 Cross dispersion: ZnSe and Infrasil prisms Primary dispersion: Reflection grating
